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经营范围
发明名称
KUEHLEINRICHTUNG IN VAKUUMRAEUMEN
摘要
申请公布号
DD132305(B1)
申请公布日期
1978.09.20
申请号
DD19770199213
申请日期
1977.05.31
申请人
发明人
分类号
B22D11/124
主分类号
B22D11/124
代理机构
代理人
主权项
地址
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